An official website of the United States government.

This is not the current EPA website. To navigate to the current EPA website, please go to This website is historical material reflecting the EPA website as it existed on January 19, 2021. This website is no longer updated and links to external websites and some internal pages may not work. More information »

Radiation Protection

Environmental Protection Agency's Confirmatory Dose Calculations of the Department of Energy's Use of CAP88-PC for the February 2014 Radiological Emission Release at the Waste Isolation Pilot Plant

DOE performed dose calculations using CAP-88 PC Version 3 to assess the location of the highest dose at and outside of the WIPP fence line following the February 14, 2014 release at the WIPP facility. DOE is responsible for assuring that any radiological emissions from the WIPP do not exceed an effective dose equivalent (EDE) of  0.1 millisievert/year  (10 millirem/ year) to any member of the public.

You may need a PDF reader to view some of the files on this page. See EPA’s About PDF page to learn more.